Antiseptic telephone-mouthpiece.



I. S. ROSENBLATT- ANTISEPTIG TELEPHONE MOUTHPIEC-E. YAPPLIGATION FILED FEB. 11, 1913.

1 ,1 1 5,868, Patented Nov. 3, 19M

INVENTOR WITNESSES M @JZ MM m t ATTO R N BY The central hole of said disk is of the onrran s ra'ras PATEN FFICE,

IRVING $(ROSENBLATT, OF SAN FRANCISCO, CALIFORNIA.

ANTISEPTIC TELEPHONEJVIOUTHPIECE.

Specification of Letters'Patenc. Application filed February 11, 1913.

Patented'Nov-.3,-1914. Serial No. 747,724.

To all whom it may concern:

Be it known that I, IRVING S. ROSENBLATT,

11 the accompanying drawing, Figure l is a vertical section of a telephone mcuthattached thereto,

piece having the device Fig. 2 is a similar View of the casing of the device detached; Fig. 3 is a front view, of the front perforated wall of the device detached; Fig. i is a sectional view of the annular piece of antiseptic material used-in said device. V

Referring to the drawing, telephone 1 indicates a mouthpiece of the usual form and other suitable the outer rim the mouthpiece about one-half shell 2, made of aluminum or any other suit able metal. Within said shell is a tubular piece 3 of solid antiseptic material having an outer conoidal surface formed to fit snugly within the inner surface of the shell 2,

an inner surface also tapering inwardly but shell, only be displaced therefrom by a movement outward or to the front of the mouthpiece. To prevent this outward movement I employ a thin annular disk 4, slightly larger to retain it in position, its outer edge is sprung under small projections 5 formed by punching inwardly the metal of the shell.

same

- protected thereby the combination of size as the outer'end of the conoidal hole in the tubular piec e 3, and thus the tubular therethrough, might lodge on mouthpiece.

As the antiseptic'material vaporizes, the diameter of the conoidal hole therethrough gradually increases, since germs that the "rent portion of the rom vaporization, and when said tube of antiseptic material has been wholly vaporized the annular disk can be easily sprung out of place and a new tube inserted,

lVhen the antiseptic device is placed over the end of the mouthpiece, it is easily secured thereon by pressing its outer free edge inward around t very cheap, consisting only of two metallic parts and-those easily manufactured; it is easy to attach and detach from'the mouthpiece; and it is very effective in use, a large extent of antiseptic surface being exposed.

it claim 7 1. In an antiseptic telephone mouthpiece, an outer shell of sheet metal, a tubular piece of solid antiseptic material contained within said shell, the inner end of the shell being formed to limit the inward movement of said piece, and an annular disk of sheet metal abutting against the outer end of the tubular piece, the outer portion of the shell having an inward rojecticn said disk being suficiently thin to be capable of being sprung inwardly past said projection.

2. In an antiseptic telephone mouthpiece, of sheet end of the shell being formed to limit the inward movement of said piece, and an annular disk of sheet metal removably secured to the outer portion of the shell.

In an antiseptic telephone mouthpiece, the combination of an outer shell of sheet neese metal, a. ubuler piece 05 solid antiseptic nm- In testimony viereof I have here1mg9 set terial eontained Within said shell and the l my hamin the presence of two subscnbmg inner end 01"- the shell being foz'mefl @0 limit I witnesses. the ilhvurd movement 0i said piece and de- MQVILIG S. R'OSENBLATT. tachabie apertured means e gaging only an of said piece "for 1 .1 fang the outwarfl W 1 movement ineieox. 

